Finding the Third Proportional to 19,662 and 28,917

Step by Step Solution

1. Step 1: Write the proportion equation
   19,662 : 28,917 = 28,917 : x
2. Step 2: Convert to fraction form
   19,662/28,917 = 28,917/x
3. Step 3: Cross multiply
   19,662x = 28,917 × 28,917
4. Step 4: Simplify right side
   19,662x = 836,192,889
5. Step 5: Solve for x
   x = 836,192,889/19,662
6. Step 6: Final answer
   x = 42,528.37